Abstract
This work aims at understanding the tribological properties of lubricant oil containing boron nitride nanoparticles (nano-lubricant). The nano-lubricant were formulated using a two-step method. A rheometer was used to measure the rheological behaviour of the lubricant oil, whereas the anti-wear and anti-frictional performance of the nano-lubricant was investigated using a tribo-tester. Through comparing the friction coefficient and line roughness of the wear surface, an optimal concentration of nanoparticles was found to be around 0.1wt.%. Atomic force microscopic and scanning electron microscopic analyses of morphology of wear tracks and x-ray energy dispersive spectroscopic analyses of element distributions on the worn surface indicated that the lubricant oil with a small amount of boron nitride nanoparitcles could exhibit excellent tribological performance.
Published Version
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